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VladimirAG [237]
2 years ago
14

Identify the type of reaction: A + B-----> AB

Chemistry
1 answer:
olga55 [171]2 years ago
8 0

Answer:

Synthesis reaction:

Explanation:

Synthesis reaction:

It is the reaction in which two or more simple substance react to give one or more complex product.

A + B      →     AB

All other options are incorrect because,

Single replacement:

It is the reaction in which one elements replace the other element in compound.

AB + C → AC + B

Decomposition reaction:

It is the reaction in which one reactant is break down into two or more product.

AB → A + B

Combustion reaction:

In combustion reaction substances are react with oxygen and produces carbon dioxide and water.

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Answer:2Na(s)+MgI_2 (aq)\rightarrow 2NaI(aq)+Mg(s)

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This is a single displacement reaction in which a more reactive element displaces the less reactive element from its salt solution. Thus sodium is more reactive than Mg and thus displaces it from MgI_2.

2Na(s)+MgI_2 (aq)\rightarrow 2NaI(aq)+Mg(s)

The number of atoms of each element must be same on both sides of the reaction so as to follow the law of conservation of mass. Thus the equation is balanced.

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